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On Wed, Feb 27, 2019 at 8:47 AM Sean Conner <> wrote:

> I'm not seeing how this can be useful.  If there's no I/O, then how does one get the results of running a program?

Lua is an "embeddable scripting language". The utility of a Lua VM to the host may have nothing to do with its ability to do IO through its stock IO facilities.